17.10 - Example: Querying a 2-D ARRAY Data Type and Table using ARRAY_MAX - Advanced SQL Engine - Teradata Database

Teradata Vantageā„¢ - Data Types and Literals

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Release Date
July 2021
Content Type
Programming Reference
Publication ID
B035-1143-171K
Language
English (United States)

Consider the following 2-D ARRAY data type and table.

CREATE TYPE shot_ary AS INTEGER ARRAY[1:50][1:50];
CREATE TABLE seismic_data (
   id INTEGER,
   shot1 shot_ary,
   shot2 shot_ary);

The following query returns an element value, which is the maximum of all the element values in the shot1 array.

SELECT ARRAY_MAX(shot1) FROM seismic_data;

The following query returns an element value, which is the maximum of the element values within the specified scope of the shot1 array.

SELECT ARRAY_MAX(shot1, NEW arrayVec(5,5), NEW arrayVec(10,10)) 
FROM seismic_data;